CI: increase submodule fetch depth

old-commit-hash: 690999a2a6

release/check-submodules.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 while read hash submodule ref; do
-  git -C $submodule fetch --depth 100 origin master
+  git -C $submodule fetch --depth 200 origin master
   git -C $submodule branch -r --contains $hash | grep "origin/master"
   if [ "$?" -eq 0 ]; then
     echo "$submodule ok"